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MPCalcRB is a multi-precision RPN calculator built using Real Studio and the developer's MPCalc Plugin. It can handle numbers with up to 30,000 decimal digits. As floating point numbers, the magnitude of the exponent can be very large, of the order of 40,000,000 or so. In addition to the usual mathematical functions there is support for Bessel functions, Error functions, Fresnel Integrals, etc. The Help menu describes them.

What's New

Version 5.0:
  • Allows separate choices for internal and output precision.


OS X 10.5 or later

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5 1


Current Version (5.x)


Downloads 3,709
Version Downloads 310
License Free
Date 25 May 2013
Platform OS X / Intel 32
Price Free
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